54721747327873 has 4 divisors (see below), whose sum is σ = 54724123767600. Its totient is φ = 54719370888148.

The previous prime is 54721747327859. The next prime is 54721747327883. The reversal of 54721747327873 is 37872374712745.

54721747327873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54721747327873 - 2¹⁷ = 54721747196801 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54721747327799 and 54721747327808.

It is not an unprimeable number, because it can be changed into a prime (54721747327823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188185323 + ... + 1188231376.

It is an arithmetic number, because the mean of its divisors is an integer number (13681030941900).

Almost surely, 2^{54721747327873} is an apocalyptic number.

It is an amenable number.

54721747327873 is a deficient number, since it is larger than the sum of its proper divisors (2376439727).

54721747327873 is a wasteful number, since it uses less digits than its factorization.

54721747327873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376439726.

The product of its digits is 387233280, while the sum is 67.

The spelling of 54721747327873 in words is "fifty-four trillion, seven hundred twenty-one billion, seven hundred forty-seven million, three hundred twenty-seven thousand, eight hundred seventy-three".